EP 3972024 A4 20220727 - SECONDARY LITHIUM-ION BATTERY ELECTROLYTE FOR REDUCING BATTERY RESISTANCE AND SECONDARY LITHIUM-ION BATTERY THEREOF
Title (en)
SECONDARY LITHIUM-ION BATTERY ELECTROLYTE FOR REDUCING BATTERY RESISTANCE AND SECONDARY LITHIUM-ION BATTERY THEREOF
Title (de)
ELEKTROLYT EINER LITHIUM-IONEN-SEKUNDÄRBATTERIE ZUR VERMINDERUNG DES BATTERIEWIDERSTANDES UND LITHIUM-IONEN-SEKUNDÄRBATTERIE
Title (fr)
ÉLECTROLYTE DE BATTERIE SECONDAIRE AU LITHIUM-ION POUR RÉDUIRE LA RÉSISTANCE DE BATTERIE ET BATTERIE SECONDAIRE AU LITHIUM-ION CORRESPONDANTE
Publication
Application
Priority
- CN 201910508223 A 20190612
- CN 2019127033 W 20191220
Abstract (en)
[origin: EP3972024A1] The present invention relates to the technical field of secondary lithium-ion batteries, specifically, provided in the present invention are a secondary lithium-ion battery electrolyte for reducing battery resistance and a secondary lithium-ion battery. The present invention, in a first aspect, provides the electrolyte for the secondary lithium-ion battery, comprising a nonaqueous solvent, a lithium salt and an additive, where the additive comprises a sulfonate compound. The secondary lithium-ion battery electrolyte and the secondary lithium-ion battery provided in the present invention are provided with a reduced resistance and are provided with improved low-temperature performance, high-temperature performance, and cycle life.
IPC 8 full level
H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01)
CPC (source: CN EP US)
H01M 10/0525 (2013.01 - CN EP US); H01M 10/0567 (2013.01 - CN EP US); H01M 10/0568 (2013.01 - EP); H01M 10/0569 (2013.01 - EP); H01M 4/405 (2013.01 - US); H01M 4/485 (2013.01 - US); H01M 4/583 (2013.01 - US); H01M 2300/0028 (2013.01 - EP US); H01M 2300/0045 (2013.01 - EP); Y02E 60/10 (2013.01 - EP)
Citation (search report)
- [X] US 2013244122 A1 20130919 - ONUKI MASAMICHI [JP], et al
- [X] CN 105336987 A 20160217 - SHENZHEN CAPCHEM TECHNOLOGY CO LTD
- [X] CN 109755635 A 20190514 - SHANSHAN ADVANCED MAT ZHANGZHOU CO LTD
- [X] CN 107275675 A 20171020 - ZHUHAI SMOOTH WAY ELECTRONIC MAT CO LTD
- [XI] CN 105609877 A 20160525 - DONGUAN KAIXIN BATTERY MAT CO LTD
- See references of WO 2020248567A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3972024 A1 20220323; EP 3972024 A4 20220727; CN 110212235 A 20190906; CN 110212235 B 20220408; US 2022238909 A1 20220728; WO 2020248567 A1 20201217
DOCDB simple family (application)
EP 19933122 A 20191220; CN 201910508223 A 20190612; CN 2019127033 W 20191220; US 201917614215 A 20191220